package webfilter.application.authorityctrl;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

public class AdminFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException {
        HttpServletRequest req = (HttpServletRequest) request;
        String adminName = (String) req.getSession().getAttribute("admin");
        if (adminName != null) {
            chain.doFilter(request, response);
        } else {
            request.getRequestDispatcher("/indexNotAdmin.jsp").forward(request, response);
        }
    }

    @Override
    public void destroy() {

    }

}
